What is the significance of correlation?
Significance of correlation Most of the variables show some kind of relationship like there is relationship between price and supply and income and expenditure. With...
Quantitative Methods
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Moments
Moments are the sum of the deviations. It is the sum of the deviation is also known as the first moment of dispersion. It is...
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Properties of Good Measure of Variation
Properties of Good Measure of Variation It should be simple to understand. It should be easy to compute. It should be rigidly defined. It...
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Significance of Dispersion
Significance of Dispersion:- To determine the reliability of an average;- The dispersion is used to know how much the average is reliable. A low...
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Positive or negative correlation
Positive or negative correlation This depend upon the direction of series. If both variable are increasing or decreasing in same direction than this is positive...
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Simple partial and multiple correlation
Simple partial and multiple correlation This depends upon number of variable studied. When only two problems are studied then it is simple correlation. When three...
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What is regression analysis?
The analysis of coefficient of correlation finds the closeness of the variables but the regression analysis helps us to find out one variable as we...
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What is time series analysis?
Time Series Analysis “A time series is a set of statistical observations arranged in chronological order.” “A time series consists of statistical data which are...
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What is Binomial Distribution?
BINOMIAL DISTRIBUTION- Binomial distribution is known as Bernoulli distribution is associated with the name of a Swiss mathematician James Bernoulli. Binomial distribution is a...
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What is Conditional probability?
Conditional probability Two events A and B are said to be dependent when B Can occur only when A is known to have occurred only...
